This is fucking wild
Size difference:
• Ang Ang (Yaoi) https://www.mangago.me/read-manga/ang_ang/
• Sweet Trap (Yaoi) https://www.mangago.me/read-manga/sweet_trap/
• Love Tractor https://www.mangago.me/read-manga/tractor_full_of_love/
Uh this is like moreso child sex trafficking but it kind fits what you're looking for, be warned the seme is......
